Adding and Subtracting Fractions
Flashcard
•
Mathematics
•
5th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the process for adding fractions with different denominators?
Back
To add fractions with different denominators, first find the least common denominator (LCD). Convert each fraction to an equivalent fraction with the LCD, then add the numerators and keep the denominator the same.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
2.
FLASHCARD QUESTION
Front
How do you subtract fractions with different denominators?
Back
To subtract fractions with different denominators, find the least common denominator (LCD). Convert each fraction to an equivalent fraction with the LCD, then subtract the numerators and keep the denominator the same.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
3.
FLASHCARD QUESTION
Front
What is a Least Common Denominator (LCD)?
Back
The Least Common Denominator (LCD) is the smallest multiple that two or more denominators share. It is used to convert fractions to have a common denominator for addition or subtraction.
4.
FLASHCARD QUESTION
Front
How do you find the Least Common Denominator of two fractions?
Back
To find the Least Common Denominator of two fractions, list the multiples of each denominator and identify the smallest multiple that appears in both lists.
5.
FLASHCARD QUESTION
Front
What is the sum of 1/3 and 1/2?
Back
The sum of 1/3 and 1/2 is 5/6. (LCD is 6, convert to 2/6 + 3/6 = 5/6).
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
6.
FLASHCARD QUESTION
Front
What is the difference between 1/2 and 1/6?
Back
The difference between 1/2 and 1/6 is 1/3. (LCD is 6, convert to 3/6 - 1/6 = 2/6 = 1/3).
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
7.
FLASHCARD QUESTION
Front
How do you convert fractions to have a common denominator?
Back
To convert fractions to have a common denominator, multiply the numerator and denominator of each fraction by the necessary factor to reach the least common denominator.
Tags
CCSS.5.NF.A.1
CCSS.5.NF.A.2
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